Home / 56,955.47-78,598.23-31,463.58

Finding the Fourth Proportional to 56,955.47, 78,598.23 and 31,463.58

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Solution

The fourth proportional to 56,955.47, 78,598.23 and 31,463.58 is: 43,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,955.47 : 78,598.23 = 31,463.58 : x
  2. Step 2: Convert to fraction form
    56,955.47/78,598.23 = 31,463.58/x
  3. Step 3: Cross multiply
    56,955.47x = 78,598.23 × 31,463.58
  4. Step 4: Simplify right side
    56,955.47x = 2,472,981,697.46
  5. Step 5: Solve for x
    x = 2,472,981,697.46/56,955.47
  6. Step 6: Final answer
    x = 43,419.56

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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.