Home / 70,587.48-97,413.90-42,292.56

Finding the Fourth Proportional to 70,587.48, 97,413.90 and 42,292.56

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Solution

The fourth proportional to 70,587.48, 97,413.90 and 42,292.56 is: 58,365.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,587.48 : 97,413.90 = 42,292.56 : x
  2. Step 2: Convert to fraction form
    70,587.48/97,413.90 = 42,292.56/x
  3. Step 3: Cross multiply
    70,587.48x = 97,413.90 × 42,292.56
  4. Step 4: Simplify right side
    70,587.48x = 4,119,883,210.58
  5. Step 5: Solve for x
    x = 4,119,883,210.58/70,587.48
  6. Step 6: Final answer
    x = 58,365.64

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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.