Home / 93,428.12-129,071.22-61,239.14

Finding the Fourth Proportional to 93,428.12, 129,071.22 and 61,239.14

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Solution

The fourth proportional to 93,428.12, 129,071.22 and 61,239.14 is: 84,602.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.12 : 129,071.22 = 61,239.14 : x
  2. Step 2: Convert to fraction form
    93,428.12/129,071.22 = 61,239.14/x
  3. Step 3: Cross multiply
    93,428.12x = 129,071.22 × 61,239.14
  4. Step 4: Simplify right side
    93,428.12x = 7,904,210,511.55
  5. Step 5: Solve for x
    x = 7,904,210,511.55/93,428.12
  6. Step 6: Final answer
    x = 84,602.05

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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.