Home / 86,732.16-119,615.36-56,506.08

Finding the Fourth Proportional to 86,732.16, 119,615.36 and 56,506.08

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Solution

The fourth proportional to 86,732.16, 119,615.36 and 56,506.08 is: 77,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,732.16 : 119,615.36 = 56,506.08 : x
  2. Step 2: Convert to fraction form
    86,732.16/119,615.36 = 56,506.08/x
  3. Step 3: Cross multiply
    86,732.16x = 119,615.36 × 56,506.08
  4. Step 4: Simplify right side
    86,732.16x = 6,758,995,101.39
  5. Step 5: Solve for x
    x = 6,758,995,101.39/86,732.16
  6. Step 6: Final answer
    x = 77,929.51

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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.