Home / 94,298.63-130,128.15-53,465.50

Finding the Fourth Proportional to 94,298.63, 130,128.15 and 53,465.50

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Solution

The fourth proportional to 94,298.63, 130,128.15 and 53,465.50 is: 73,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,298.63 : 130,128.15 = 53,465.50 : x
  2. Step 2: Convert to fraction form
    94,298.63/130,128.15 = 53,465.50/x
  3. Step 3: Cross multiply
    94,298.63x = 130,128.15 × 53,465.50
  4. Step 4: Simplify right side
    94,298.63x = 6,957,366,515.87
  5. Step 5: Solve for x
    x = 6,957,366,515.87/94,298.63
  6. Step 6: Final answer
    x = 73,780.14

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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.