Home / 86,322.08-119,142.84-58,011.36

Finding the Fourth Proportional to 86,322.08, 119,142.84 and 58,011.36

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Solution

The fourth proportional to 86,322.08, 119,142.84 and 58,011.36 is: 80,068.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.08 : 119,142.84 = 58,011.36 : x
  2. Step 2: Convert to fraction form
    86,322.08/119,142.84 = 58,011.36/x
  3. Step 3: Cross multiply
    86,322.08x = 119,142.84 × 58,011.36
  4. Step 4: Simplify right side
    86,322.08x = 6,911,638,182.66
  5. Step 5: Solve for x
    x = 6,911,638,182.66/86,322.08
  6. Step 6: Final answer
    x = 80,068.03

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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.