Home / 82,130.47-113,340.03-46,320.40

Finding the Fourth Proportional to 82,130.47, 113,340.03 and 46,320.40

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Solution

The fourth proportional to 82,130.47, 113,340.03 and 46,320.40 is: 63,922.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,130.47 : 113,340.03 = 46,320.40 : x
  2. Step 2: Convert to fraction form
    82,130.47/113,340.03 = 46,320.40/x
  3. Step 3: Cross multiply
    82,130.47x = 113,340.03 × 46,320.40
  4. Step 4: Simplify right side
    82,130.47x = 5,249,955,493.59
  5. Step 5: Solve for x
    x = 5,249,955,493.59/82,130.47
  6. Step 6: Final answer
    x = 63,922.14

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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.