Home / 104,428.69-144,114.17-56,681.93

Finding the Fourth Proportional to 104,428.69, 144,114.17 and 56,681.93

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Solution

The fourth proportional to 104,428.69, 144,114.17 and 56,681.93 is: 78,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.69 : 144,114.17 = 56,681.93 : x
  2. Step 2: Convert to fraction form
    104,428.69/144,114.17 = 56,681.93/x
  3. Step 3: Cross multiply
    104,428.69x = 144,114.17 × 56,681.93
  4. Step 4: Simplify right side
    104,428.69x = 8,168,669,372.82
  5. Step 5: Solve for x
    x = 8,168,669,372.82/104,428.69
  6. Step 6: Final answer
    x = 78,222.47

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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.