Home / 77,545.02-107,023.91-47,347.95

Finding the Fourth Proportional to 77,545.02, 107,023.91 and 47,347.95

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Solution

The fourth proportional to 77,545.02, 107,023.91 and 47,347.95 is: 65,347.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,545.02 : 107,023.91 = 47,347.95 : x
  2. Step 2: Convert to fraction form
    77,545.02/107,023.91 = 47,347.95/x
  3. Step 3: Cross multiply
    77,545.02x = 107,023.91 × 47,347.95
  4. Step 4: Simplify right side
    77,545.02x = 5,067,362,502.74
  5. Step 5: Solve for x
    x = 5,067,362,502.74/77,545.02
  6. Step 6: Final answer
    x = 65,347.36

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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.