Home / 77,818.17-116,763.71-38,353.76

Finding the Fourth Proportional to 77,818.17, 116,763.71 and 38,353.76

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Solution

The fourth proportional to 77,818.17, 116,763.71 and 38,353.76 is: 57,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,818.17 : 116,763.71 = 38,353.76 : x
  2. Step 2: Convert to fraction form
    77,818.17/116,763.71 = 38,353.76/x
  3. Step 3: Cross multiply
    77,818.17x = 116,763.71 × 38,353.76
  4. Step 4: Simplify right side
    77,818.17x = 4,478,326,534.46
  5. Step 5: Solve for x
    x = 4,478,326,534.46/77,818.17
  6. Step 6: Final answer
    x = 57,548.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.