Home / 85,710.16-118,276.74-46,947.36

Finding the Fourth Proportional to 85,710.16, 118,276.74 and 46,947.36

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Solution

The fourth proportional to 85,710.16, 118,276.74 and 46,947.36 is: 64,785.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,710.16 : 118,276.74 = 46,947.36 : x
  2. Step 2: Convert to fraction form
    85,710.16/118,276.74 = 46,947.36/x
  3. Step 3: Cross multiply
    85,710.16x = 118,276.74 × 46,947.36
  4. Step 4: Simplify right side
    85,710.16x = 5,552,780,692.41
  5. Step 5: Solve for x
    x = 5,552,780,692.41/85,710.16
  6. Step 6: Final answer
    x = 64,785.56

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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.