Home / 61,421.79-84,808.26-60,440.91

Finding the Fourth Proportional to 61,421.79, 84,808.26 and 60,440.91

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Solution

The fourth proportional to 61,421.79, 84,808.26 and 60,440.91 is: 83,453.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,421.79 : 84,808.26 = 60,440.91 : x
  2. Step 2: Convert to fraction form
    61,421.79/84,808.26 = 60,440.91/x
  3. Step 3: Cross multiply
    61,421.79x = 84,808.26 × 60,440.91
  4. Step 4: Simplify right side
    61,421.79x = 5,125,888,409.92
  5. Step 5: Solve for x
    x = 5,125,888,409.92/61,421.79
  6. Step 6: Final answer
    x = 83,453.91

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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.