Home / 70,637.04-97,479.15-38,807.99

Finding the Fourth Proportional to 70,637.04, 97,479.15 and 38,807.99

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Solution

The fourth proportional to 70,637.04, 97,479.15 and 38,807.99 is: 53,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,637.04 : 97,479.15 = 38,807.99 : x
  2. Step 2: Convert to fraction form
    70,637.04/97,479.15 = 38,807.99/x
  3. Step 3: Cross multiply
    70,637.04x = 97,479.15 × 38,807.99
  4. Step 4: Simplify right side
    70,637.04x = 3,782,970,122.11
  5. Step 5: Solve for x
    x = 3,782,970,122.11/70,637.04
  6. Step 6: Final answer
    x = 53,555.05

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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.