Home / 84,062.40-116,021.53-53,860.74

Finding the Fourth Proportional to 84,062.40, 116,021.53 and 53,860.74

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Solution

The fourth proportional to 84,062.40, 116,021.53 and 53,860.74 is: 74,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,062.40 : 116,021.53 = 53,860.74 : x
  2. Step 2: Convert to fraction form
    84,062.40/116,021.53 = 53,860.74/x
  3. Step 3: Cross multiply
    84,062.40x = 116,021.53 × 53,860.74
  4. Step 4: Simplify right side
    84,062.40x = 6,249,005,461.73
  5. Step 5: Solve for x
    x = 6,249,005,461.73/84,062.40
  6. Step 6: Final answer
    x = 74,337.70

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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.