Home / 70,304.28-97,048.08-42,004.68

Finding the Fourth Proportional to 70,304.28, 97,048.08 and 42,004.68

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Solution

The fourth proportional to 70,304.28, 97,048.08 and 42,004.68 is: 57,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,304.28 : 97,048.08 = 42,004.68 : x
  2. Step 2: Convert to fraction form
    70,304.28/97,048.08 = 42,004.68/x
  3. Step 3: Cross multiply
    70,304.28x = 97,048.08 × 42,004.68
  4. Step 4: Simplify right side
    70,304.28x = 4,076,473,545.01
  5. Step 5: Solve for x
    x = 4,076,473,545.01/70,304.28
  6. Step 6: Final answer
    x = 57,983.29

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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.