Home / 90,938.51-125,547.20-60,774.92

Finding the Fourth Proportional to 90,938.51, 125,547.20 and 60,774.92

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Solution

The fourth proportional to 90,938.51, 125,547.20 and 60,774.92 is: 83,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,938.51 : 125,547.20 = 60,774.92 : x
  2. Step 2: Convert to fraction form
    90,938.51/125,547.20 = 60,774.92/x
  3. Step 3: Cross multiply
    90,938.51x = 125,547.20 × 60,774.92
  4. Step 4: Simplify right side
    90,938.51x = 7,630,120,104.61
  5. Step 5: Solve for x
    x = 7,630,120,104.61/90,938.51
  6. Step 6: Final answer
    x = 83,904.17

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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.