Home / 102,587.65-153,901.42-39,403.13

Finding the Fourth Proportional to 102,587.65, 153,901.42 and 39,403.13

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Solution

The fourth proportional to 102,587.65, 153,901.42 and 39,403.13 is: 59,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,587.65 : 153,901.42 = 39,403.13 : x
  2. Step 2: Convert to fraction form
    102,587.65/153,901.42 = 39,403.13/x
  3. Step 3: Cross multiply
    102,587.65x = 153,901.42 × 39,403.13
  4. Step 4: Simplify right side
    102,587.65x = 6,064,196,791.43
  5. Step 5: Solve for x
    x = 6,064,196,791.43/102,587.65
  6. Step 6: Final answer
    x = 59,112.35

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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.