Home / 71,349.34-98,528.27-53,413.20

Finding the Fourth Proportional to 71,349.34, 98,528.27 and 53,413.20

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Solution

The fourth proportional to 71,349.34, 98,528.27 and 53,413.20 is: 73,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.34 : 98,528.27 = 53,413.20 : x
  2. Step 2: Convert to fraction form
    71,349.34/98,528.27 = 53,413.20/x
  3. Step 3: Cross multiply
    71,349.34x = 98,528.27 × 53,413.20
  4. Step 4: Simplify right side
    71,349.34x = 5,262,710,191.16
  5. Step 5: Solve for x
    x = 5,262,710,191.16/71,349.34
  6. Step 6: Final answer
    x = 73,759.76

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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.