Home / 70,570.92-97,387.50-38,740.36

Finding the Fourth Proportional to 70,570.92, 97,387.50 and 38,740.36

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Solution

The fourth proportional to 70,570.92, 97,387.50 and 38,740.36 is: 53,461.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,570.92 : 97,387.50 = 38,740.36 : x
  2. Step 2: Convert to fraction form
    70,570.92/97,387.50 = 38,740.36/x
  3. Step 3: Cross multiply
    70,570.92x = 97,387.50 × 38,740.36
  4. Step 4: Simplify right side
    70,570.92x = 3,772,826,809.50
  5. Step 5: Solve for x
    x = 3,772,826,809.50/70,570.92
  6. Step 6: Final answer
    x = 53,461.49

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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.