Home / 86,941.08-130,455.36-64,798.92

Finding the Fourth Proportional to 86,941.08, 130,455.36 and 64,798.92

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Solution

The fourth proportional to 86,941.08, 130,455.36 and 64,798.92 is: 97,230.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,941.08 : 130,455.36 = 64,798.92 : x
  2. Step 2: Convert to fraction form
    86,941.08/130,455.36 = 64,798.92/x
  3. Step 3: Cross multiply
    86,941.08x = 130,455.36 × 64,798.92
  4. Step 4: Simplify right side
    86,941.08x = 8,453,366,436.21
  5. Step 5: Solve for x
    x = 8,453,366,436.21/86,941.08
  6. Step 6: Final answer
    x = 97,230.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.