Home / 102,031.08-140,800.58-59,007.32

Finding the Fourth Proportional to 102,031.08, 140,800.58 and 59,007.32

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Solution

The fourth proportional to 102,031.08, 140,800.58 and 59,007.32 is: 81,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,031.08 : 140,800.58 = 59,007.32 : x
  2. Step 2: Convert to fraction form
    102,031.08/140,800.58 = 59,007.32/x
  3. Step 3: Cross multiply
    102,031.08x = 140,800.58 × 59,007.32
  4. Step 4: Simplify right side
    102,031.08x = 8,308,264,880.25
  5. Step 5: Solve for x
    x = 8,308,264,880.25/102,031.08
  6. Step 6: Final answer
    x = 81,428.77

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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.