Home / 70,875.45-97,813.64-39,050.07

Finding the Fourth Proportional to 70,875.45, 97,813.64 and 39,050.07

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Solution

The fourth proportional to 70,875.45, 97,813.64 and 39,050.07 is: 53,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,875.45 : 97,813.64 = 39,050.07 : x
  2. Step 2: Convert to fraction form
    70,875.45/97,813.64 = 39,050.07/x
  3. Step 3: Cross multiply
    70,875.45x = 97,813.64 × 39,050.07
  4. Step 4: Simplify right side
    70,875.45x = 3,819,629,293.70
  5. Step 5: Solve for x
    x = 3,819,629,293.70/70,875.45
  6. Step 6: Final answer
    x = 53,892.13

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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.