Home / 73,955.07-102,068.55-42,126.93

Finding the Fourth Proportional to 73,955.07, 102,068.55 and 42,126.93

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Solution

The fourth proportional to 73,955.07, 102,068.55 and 42,126.93 is: 58,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,955.07 : 102,068.55 = 42,126.93 : x
  2. Step 2: Convert to fraction form
    73,955.07/102,068.55 = 42,126.93/x
  3. Step 3: Cross multiply
    73,955.07x = 102,068.55 × 42,126.93
  4. Step 4: Simplify right side
    73,955.07x = 4,299,834,661.05
  5. Step 5: Solve for x
    x = 4,299,834,661.05/73,955.07
  6. Step 6: Final answer
    x = 58,141.17

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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.