Home / 86,658.18-119,574.81-48,931.62

Finding the Fourth Proportional to 86,658.18, 119,574.81 and 48,931.62

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Solution

The fourth proportional to 86,658.18, 119,574.81 and 48,931.62 is: 67,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,658.18 : 119,574.81 = 48,931.62 : x
  2. Step 2: Convert to fraction form
    86,658.18/119,574.81 = 48,931.62/x
  3. Step 3: Cross multiply
    86,658.18x = 119,574.81 × 48,931.62
  4. Step 4: Simplify right side
    86,658.18x = 5,850,989,164.49
  5. Step 5: Solve for x
    x = 5,850,989,164.49/86,658.18
  6. Step 6: Final answer
    x = 67,518.03

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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.