Home / 74,312.64-102,526.56-42,459.12

Finding the Fourth Proportional to 74,312.64, 102,526.56 and 42,459.12

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Solution

The fourth proportional to 74,312.64, 102,526.56 and 42,459.12 is: 58,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,312.64 : 102,526.56 = 42,459.12 : x
  2. Step 2: Convert to fraction form
    74,312.64/102,526.56 = 42,459.12/x
  3. Step 3: Cross multiply
    74,312.64x = 102,526.56 × 42,459.12
  4. Step 4: Simplify right side
    74,312.64x = 4,353,187,514.23
  5. Step 5: Solve for x
    x = 4,353,187,514.23/74,312.64
  6. Step 6: Final answer
    x = 58,579.37

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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.