Home / 98,776.34-136,302.74-57,948.69

Finding the Fourth Proportional to 98,776.34, 136,302.74 and 57,948.69

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Solution

The fourth proportional to 98,776.34, 136,302.74 and 57,948.69 is: 79,964.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,776.34 : 136,302.74 = 57,948.69 : x
  2. Step 2: Convert to fraction form
    98,776.34/136,302.74 = 57,948.69/x
  3. Step 3: Cross multiply
    98,776.34x = 136,302.74 × 57,948.69
  4. Step 4: Simplify right side
    98,776.34x = 7,898,565,665.11
  5. Step 5: Solve for x
    x = 7,898,565,665.11/98,776.34
  6. Step 6: Final answer
    x = 79,964.15

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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.