Home / 56,156.49-77,507.28-51,673.14

Finding the Fourth Proportional to 56,156.49, 77,507.28 and 51,673.14

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Solution

The fourth proportional to 56,156.49, 77,507.28 and 51,673.14 is: 71,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,156.49 : 77,507.28 = 51,673.14 : x
  2. Step 2: Convert to fraction form
    56,156.49/77,507.28 = 51,673.14/x
  3. Step 3: Cross multiply
    56,156.49x = 77,507.28 × 51,673.14
  4. Step 4: Simplify right side
    56,156.49x = 4,005,044,530.46
  5. Step 5: Solve for x
    x = 4,005,044,530.46/56,156.49
  6. Step 6: Final answer
    x = 71,319.35

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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.