Home / 77,153.24-106,458.08-45,328.74

Finding the Fourth Proportional to 77,153.24, 106,458.08 and 45,328.74

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Solution

The fourth proportional to 77,153.24, 106,458.08 and 45,328.74 is: 62,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,153.24 : 106,458.08 = 45,328.74 : x
  2. Step 2: Convert to fraction form
    77,153.24/106,458.08 = 45,328.74/x
  3. Step 3: Cross multiply
    77,153.24x = 106,458.08 × 45,328.74
  4. Step 4: Simplify right side
    77,153.24x = 4,825,610,402.58
  5. Step 5: Solve for x
    x = 4,825,610,402.58/77,153.24
  6. Step 6: Final answer
    x = 62,545.79

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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.