Home / 70,298.16-97,012.53-38,470.02

Finding the Fourth Proportional to 70,298.16, 97,012.53 and 38,470.02

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Solution

The fourth proportional to 70,298.16, 97,012.53 and 38,470.02 is: 53,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,298.16 : 97,012.53 = 38,470.02 : x
  2. Step 2: Convert to fraction form
    70,298.16/97,012.53 = 38,470.02/x
  3. Step 3: Cross multiply
    70,298.16x = 97,012.53 × 38,470.02
  4. Step 4: Simplify right side
    70,298.16x = 3,732,073,969.35
  5. Step 5: Solve for x
    x = 3,732,073,969.35/70,298.16
  6. Step 6: Final answer
    x = 53,089.21

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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.