Home / 94,123.04-129,889.79-51,681.57

Finding the Fourth Proportional to 94,123.04, 129,889.79 and 51,681.57

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Solution

The fourth proportional to 94,123.04, 129,889.79 and 51,681.57 is: 71,320.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,123.04 : 129,889.79 = 51,681.57 : x
  2. Step 2: Convert to fraction form
    94,123.04/129,889.79 = 51,681.57/x
  3. Step 3: Cross multiply
    94,123.04x = 129,889.79 × 51,681.57
  4. Step 4: Simplify right side
    94,123.04x = 6,712,908,111.38
  5. Step 5: Solve for x
    x = 6,712,908,111.38/94,123.04
  6. Step 6: Final answer
    x = 71,320.56

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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.