Home / 86,319.28-119,075.16-56,064.16

Finding the Fourth Proportional to 86,319.28, 119,075.16 and 56,064.16

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Solution

The fourth proportional to 86,319.28, 119,075.16 and 56,064.16 is: 77,339.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,319.28 : 119,075.16 = 56,064.16 : x
  2. Step 2: Convert to fraction form
    86,319.28/119,075.16 = 56,064.16/x
  3. Step 3: Cross multiply
    86,319.28x = 119,075.16 × 56,064.16
  4. Step 4: Simplify right side
    86,319.28x = 6,675,848,822.27
  5. Step 5: Solve for x
    x = 6,675,848,822.27/86,319.28
  6. Step 6: Final answer
    x = 77,339.02

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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.