Home / 42,465.79-63,698.45-10,875.79

Finding the Fourth Proportional to 42,465.79, 63,698.45 and 10,875.79

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Solution

The fourth proportional to 42,465.79, 63,698.45 and 10,875.79 is: 16,313.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,465.79 : 63,698.45 = 10,875.79 : x
  2. Step 2: Convert to fraction form
    42,465.79/63,698.45 = 10,875.79/x
  3. Step 3: Cross multiply
    42,465.79x = 63,698.45 × 10,875.79
  4. Step 4: Simplify right side
    42,465.79x = 692,770,965.53
  5. Step 5: Solve for x
    x = 692,770,965.53/42,465.79
  6. Step 6: Final answer
    x = 16,313.62

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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.