Home / 58,269.60-87,430.08-30,561.12

Finding the Fourth Proportional to 58,269.60, 87,430.08 and 30,561.12

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Solution

The fourth proportional to 58,269.60, 87,430.08 and 30,561.12 is: 45,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,269.60 : 87,430.08 = 30,561.12 : x
  2. Step 2: Convert to fraction form
    58,269.60/87,430.08 = 30,561.12/x
  3. Step 3: Cross multiply
    58,269.60x = 87,430.08 × 30,561.12
  4. Step 4: Simplify right side
    58,269.60x = 2,671,961,166.49
  5. Step 5: Solve for x
    x = 2,671,961,166.49/58,269.60
  6. Step 6: Final answer
    x = 45,855.15

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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.