Home / 77,312.20-106,689.03-45,483.15

Finding the Fourth Proportional to 77,312.20, 106,689.03 and 45,483.15

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Solution

The fourth proportional to 77,312.20, 106,689.03 and 45,483.15 is: 62,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.20 : 106,689.03 = 45,483.15 : x
  2. Step 2: Convert to fraction form
    77,312.20/106,689.03 = 45,483.15/x
  3. Step 3: Cross multiply
    77,312.20x = 106,689.03 × 45,483.15
  4. Step 4: Simplify right side
    77,312.20x = 4,852,553,154.84
  5. Step 5: Solve for x
    x = 4,852,553,154.84/77,312.20
  6. Step 6: Final answer
    x = 62,765.68

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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.