Home / 86,678.29-119,607.12-59,477.70

Finding the Fourth Proportional to 86,678.29, 119,607.12 and 59,477.70

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Solution

The fourth proportional to 86,678.29, 119,607.12 and 59,477.70 is: 82,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,678.29 : 119,607.12 = 59,477.70 : x
  2. Step 2: Convert to fraction form
    86,678.29/119,607.12 = 59,477.70/x
  3. Step 3: Cross multiply
    86,678.29x = 119,607.12 × 59,477.70
  4. Step 4: Simplify right side
    86,678.29x = 7,113,956,680.64
  5. Step 5: Solve for x
    x = 7,113,956,680.64/86,678.29
  6. Step 6: Final answer
    x = 82,073.11

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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.