Home / 58,459.20-87,688.80-16,910.40

Finding the Fourth Proportional to 58,459.20, 87,688.80 and 16,910.40

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Solution

The fourth proportional to 58,459.20, 87,688.80 and 16,910.40 is: 25,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,459.20 : 87,688.80 = 16,910.40 : x
  2. Step 2: Convert to fraction form
    58,459.20/87,688.80 = 16,910.40/x
  3. Step 3: Cross multiply
    58,459.20x = 87,688.80 × 16,910.40
  4. Step 4: Simplify right side
    58,459.20x = 1,482,852,683.52
  5. Step 5: Solve for x
    x = 1,482,852,683.52/58,459.20
  6. Step 6: Final answer
    x = 25,365.60

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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.