Home / 56,434.13-77,887-34,930.77

Finding the Fourth Proportional to 56,434.13, 77,887 and 34,930.77

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Solution

The fourth proportional to 56,434.13, 77,887 and 34,930.77 is: 48,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.13 : 77,887 = 34,930.77 : x
  2. Step 2: Convert to fraction form
    56,434.13/77,887 = 34,930.77/x
  3. Step 3: Cross multiply
    56,434.13x = 77,887 × 34,930.77
  4. Step 4: Simplify right side
    56,434.13x = 2,720,652,882.99
  5. Step 5: Solve for x
    x = 2,720,652,882.99/56,434.13
  6. Step 6: Final answer
    x = 48,209.35

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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.