Home / 105,276.77-145,285.54-57,533.19

Finding the Fourth Proportional to 105,276.77, 145,285.54 and 57,533.19

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Solution

The fourth proportional to 105,276.77, 145,285.54 and 57,533.19 is: 79,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,276.77 : 145,285.54 = 57,533.19 : x
  2. Step 2: Convert to fraction form
    105,276.77/145,285.54 = 57,533.19/x
  3. Step 3: Cross multiply
    105,276.77x = 145,285.54 × 57,533.19
  4. Step 4: Simplify right side
    105,276.77x = 8,358,740,577.07
  5. Step 5: Solve for x
    x = 8,358,740,577.07/105,276.77
  6. Step 6: Final answer
    x = 79,397.77

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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.