Home / 93,085.02-128,457.63-50,643.54

Finding the Fourth Proportional to 93,085.02, 128,457.63 and 50,643.54

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Solution

The fourth proportional to 93,085.02, 128,457.63 and 50,643.54 is: 69,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085.02 : 128,457.63 = 50,643.54 : x
  2. Step 2: Convert to fraction form
    93,085.02/128,457.63 = 50,643.54/x
  3. Step 3: Cross multiply
    93,085.02x = 128,457.63 × 50,643.54
  4. Step 4: Simplify right side
    93,085.02x = 6,505,549,123.21
  5. Step 5: Solve for x
    x = 6,505,549,123.21/93,085.02
  6. Step 6: Final answer
    x = 69,888.25

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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.