Home / 115,088.10-172,655.67-48,528.30

Finding the Fourth Proportional to 115,088.10, 172,655.67 and 48,528.30

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Solution

The fourth proportional to 115,088.10, 172,655.67 and 48,528.30 is: 72,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.10 : 172,655.67 = 48,528.30 : x
  2. Step 2: Convert to fraction form
    115,088.10/172,655.67 = 48,528.30/x
  3. Step 3: Cross multiply
    115,088.10x = 172,655.67 × 48,528.30
  4. Step 4: Simplify right side
    115,088.10x = 8,378,686,150.46
  5. Step 5: Solve for x
    x = 8,378,686,150.46/115,088.10
  6. Step 6: Final answer
    x = 72,802.37

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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.