Home / 72,062.75-99,417.99-48,151.55

Finding the Fourth Proportional to 72,062.75, 99,417.99 and 48,151.55

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Solution

The fourth proportional to 72,062.75, 99,417.99 and 48,151.55 is: 66,430.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,062.75 : 99,417.99 = 48,151.55 : x
  2. Step 2: Convert to fraction form
    72,062.75/99,417.99 = 48,151.55/x
  3. Step 3: Cross multiply
    72,062.75x = 99,417.99 × 48,151.55
  4. Step 4: Simplify right side
    72,062.75x = 4,787,130,316.38
  5. Step 5: Solve for x
    x = 4,787,130,316.38/72,062.75
  6. Step 6: Final answer
    x = 66,430.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.