Home / 60,211.20-90,316.80-59,822.40

Finding the Fourth Proportional to 60,211.20, 90,316.80 and 59,822.40

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Solution

The fourth proportional to 60,211.20, 90,316.80 and 59,822.40 is: 89,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,211.20 : 90,316.80 = 59,822.40 : x
  2. Step 2: Convert to fraction form
    60,211.20/90,316.80 = 59,822.40/x
  3. Step 3: Cross multiply
    60,211.20x = 90,316.80 × 59,822.40
  4. Step 4: Simplify right side
    60,211.20x = 5,402,967,736.32
  5. Step 5: Solve for x
    x = 5,402,967,736.32/60,211.20
  6. Step 6: Final answer
    x = 89,733.60

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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.