Home / 71,929.32-99,275.40-45,095.10

Finding the Fourth Proportional to 71,929.32, 99,275.40 and 45,095.10

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Solution

The fourth proportional to 71,929.32, 99,275.40 and 45,095.10 is: 62,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,929.32 : 99,275.40 = 45,095.10 : x
  2. Step 2: Convert to fraction form
    71,929.32/99,275.40 = 45,095.10/x
  3. Step 3: Cross multiply
    71,929.32x = 99,275.40 × 45,095.10
  4. Step 4: Simplify right side
    71,929.32x = 4,476,834,090.54
  5. Step 5: Solve for x
    x = 4,476,834,090.54/71,929.32
  6. Step 6: Final answer
    x = 62,239.35

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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.