Home / 115,061.51-172,615.80-48,501.65

Finding the Fourth Proportional to 115,061.51, 172,615.80 and 48,501.65

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Solution

The fourth proportional to 115,061.51, 172,615.80 and 48,501.65 is: 72,762.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,061.51 : 172,615.80 = 48,501.65 : x
  2. Step 2: Convert to fraction form
    115,061.51/172,615.80 = 48,501.65/x
  3. Step 3: Cross multiply
    115,061.51x = 172,615.80 × 48,501.65
  4. Step 4: Simplify right side
    115,061.51x = 8,372,151,116.07
  5. Step 5: Solve for x
    x = 8,372,151,116.07/115,061.51
  6. Step 6: Final answer
    x = 72,762.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.