Home / 79,389.12-119,088.16-26,084.48

Finding the Fourth Proportional to 79,389.12, 119,088.16 and 26,084.48

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Solution

The fourth proportional to 79,389.12, 119,088.16 and 26,084.48 is: 39,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,389.12 : 119,088.16 = 26,084.48 : x
  2. Step 2: Convert to fraction form
    79,389.12/119,088.16 = 26,084.48/x
  3. Step 3: Cross multiply
    79,389.12x = 119,088.16 × 26,084.48
  4. Step 4: Simplify right side
    79,389.12x = 3,106,352,727.76
  5. Step 5: Solve for x
    x = 3,106,352,727.76/79,389.12
  6. Step 6: Final answer
    x = 39,128.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.