Home / 78,423.08-108,199.95-44,426.12

Finding the Fourth Proportional to 78,423.08, 108,199.95 and 44,426.12

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Solution

The fourth proportional to 78,423.08, 108,199.95 and 44,426.12 is: 61,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,423.08 : 108,199.95 = 44,426.12 : x
  2. Step 2: Convert to fraction form
    78,423.08/108,199.95 = 44,426.12/x
  3. Step 3: Cross multiply
    78,423.08x = 108,199.95 × 44,426.12
  4. Step 4: Simplify right side
    78,423.08x = 4,806,903,962.69
  5. Step 5: Solve for x
    x = 4,806,903,962.69/78,423.08
  6. Step 6: Final answer
    x = 61,294.51

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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.