Home / 70,614.28-97,448.39-38,783.86

Finding the Fourth Proportional to 70,614.28, 97,448.39 and 38,783.86

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Solution

The fourth proportional to 70,614.28, 97,448.39 and 38,783.86 is: 53,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.28 : 97,448.39 = 38,783.86 : x
  2. Step 2: Convert to fraction form
    70,614.28/97,448.39 = 38,783.86/x
  3. Step 3: Cross multiply
    70,614.28x = 97,448.39 × 38,783.86
  4. Step 4: Simplify right side
    70,614.28x = 3,779,425,080.11
  5. Step 5: Solve for x
    x = 3,779,425,080.11/70,614.28
  6. Step 6: Final answer
    x = 53,522.11

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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.