Home / 93,215.34-128,722.23-59,739.66

Finding the Fourth Proportional to 93,215.34, 128,722.23 and 59,739.66

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Solution

The fourth proportional to 93,215.34, 128,722.23 and 59,739.66 is: 82,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,215.34 : 128,722.23 = 59,739.66 : x
  2. Step 2: Convert to fraction form
    93,215.34/128,722.23 = 59,739.66/x
  3. Step 3: Cross multiply
    93,215.34x = 128,722.23 × 59,739.66
  4. Step 4: Simplify right side
    93,215.34x = 7,689,822,254.64
  5. Step 5: Solve for x
    x = 7,689,822,254.64/93,215.34
  6. Step 6: Final answer
    x = 82,495.24

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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.