Home / 93,539.07-129,079.09-51,089.40

Finding the Fourth Proportional to 93,539.07, 129,079.09 and 51,089.40

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Solution

The fourth proportional to 93,539.07, 129,079.09 and 51,089.40 is: 70,500.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,539.07 : 129,079.09 = 51,089.40 : x
  2. Step 2: Convert to fraction form
    93,539.07/129,079.09 = 51,089.40/x
  3. Step 3: Cross multiply
    93,539.07x = 129,079.09 × 51,089.40
  4. Step 4: Simplify right side
    93,539.07x = 6,594,573,260.65
  5. Step 5: Solve for x
    x = 6,594,573,260.65/93,539.07
  6. Step 6: Final answer
    x = 70,500.74

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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.