Home / 77,946.93-107,541.27-47,700.72

Finding the Fourth Proportional to 77,946.93, 107,541.27 and 47,700.72

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Solution

The fourth proportional to 77,946.93, 107,541.27 and 47,700.72 is: 65,811.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.93 : 107,541.27 = 47,700.72 : x
  2. Step 2: Convert to fraction form
    77,946.93/107,541.27 = 47,700.72/x
  3. Step 3: Cross multiply
    77,946.93x = 107,541.27 × 47,700.72
  4. Step 4: Simplify right side
    77,946.93x = 5,129,796,008.71
  5. Step 5: Solve for x
    x = 5,129,796,008.71/77,946.93
  6. Step 6: Final answer
    x = 65,811.39

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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.