Home / 92,498.32-127,561.03-61,398.55

Finding the Fourth Proportional to 92,498.32, 127,561.03 and 61,398.55

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Solution

The fourth proportional to 92,498.32, 127,561.03 and 61,398.55 is: 84,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,498.32 : 127,561.03 = 61,398.55 : x
  2. Step 2: Convert to fraction form
    92,498.32/127,561.03 = 61,398.55/x
  3. Step 3: Cross multiply
    92,498.32x = 127,561.03 × 61,398.55
  4. Step 4: Simplify right side
    92,498.32x = 7,832,062,278.51
  5. Step 5: Solve for x
    x = 7,832,062,278.51/92,498.32
  6. Step 6: Final answer
    x = 84,672.48

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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.