Home / 93,075.50-128,434.46-52,776.38

Finding the Fourth Proportional to 93,075.50, 128,434.46 and 52,776.38

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Solution

The fourth proportional to 93,075.50, 128,434.46 and 52,776.38 is: 72,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,075.50 : 128,434.46 = 52,776.38 : x
  2. Step 2: Convert to fraction form
    93,075.50/128,434.46 = 52,776.38/x
  3. Step 3: Cross multiply
    93,075.50x = 128,434.46 × 52,776.38
  4. Step 4: Simplify right side
    93,075.50x = 6,778,305,866.05
  5. Step 5: Solve for x
    x = 6,778,305,866.05/93,075.50
  6. Step 6: Final answer
    x = 72,825.89

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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.