Home / 70,421.40-105,598.08-26,025.30

Finding the Fourth Proportional to 70,421.40, 105,598.08 and 26,025.30

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Solution

The fourth proportional to 70,421.40, 105,598.08 and 26,025.30 is: 39,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421.40 : 105,598.08 = 26,025.30 : x
  2. Step 2: Convert to fraction form
    70,421.40/105,598.08 = 26,025.30/x
  3. Step 3: Cross multiply
    70,421.40x = 105,598.08 × 26,025.30
  4. Step 4: Simplify right side
    70,421.40x = 2,748,221,711.42
  5. Step 5: Solve for x
    x = 2,748,221,711.42/70,421.40
  6. Step 6: Final answer
    x = 39,025.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.