Home / 76,041.18-104,937.53-42,047.91

Finding the Fourth Proportional to 76,041.18, 104,937.53 and 42,047.91

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Solution

The fourth proportional to 76,041.18, 104,937.53 and 42,047.91 is: 58,026.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,041.18 : 104,937.53 = 42,047.91 : x
  2. Step 2: Convert to fraction form
    76,041.18/104,937.53 = 42,047.91/x
  3. Step 3: Cross multiply
    76,041.18x = 104,937.53 × 42,047.91
  4. Step 4: Simplify right side
    76,041.18x = 4,412,403,606.82
  5. Step 5: Solve for x
    x = 4,412,403,606.82/76,041.18
  6. Step 6: Final answer
    x = 58,026.50

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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.